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交通安全设施施工质量的基本要求是什么？

答案

参考答案：

1护栏、隔离设施的立柱应有足够的强度，安装必须牢固可靠；2标志、标线及视线诱导设施应当清晰、醒目，反光膜效果良好； 3金属材料必须昨防锈处理或采用相应的防锈措施；4各种构件的安装应满足设计和规范的要求。

填空题



After its (1) to the (2) in 2001, China has taken steps towards opening up its (3) . As a condition for joining the WTO, China (4) itself to a (5) of trade liberalization, including the reduction of tariffs on cars and agricultural products. These tariffs reductions are both (6) and there is (7) for China to (8) at a faster pace.
A (9) of (10) and a more rapid and profound reduction of import tariffs would (11) of those Chinese consumers who would (12) imported products at lower prices. Second, a higher (13) into China would take away much upward pressure on the Renminbi and provide a true and lasting (14) to solving current global (15) . Indeed, even a modest (16) in the opening-up process would go a long way towards solving the problem.
The opening up of China’s markets to international competition should (17) deep reforms. Banks should be recapitalized, bad loans provisioned fully and state-owned companies’ runaway indebtedness (18) . Only when real progress in these areas is made should China begin to consider a reform to its (19) . Doing it any earlier would be highly (20) .
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单项选择题

在胸片上观察主动脉各部的最佳位置是（）

A.后前位

B.左侧位

C.右侧位

D.第一斜位

E.第二斜位
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